Polycarbonate moulding compositions

Details Polycarbonate moulding compositions Polycarbonate moulding compositions

C - Chemistry, Metallurgy

08

K

C08K 5/523 (2006.01) B01D 3/00 (2006.01) B01D 3/14 (2006.01) B01D 3/32 (2006.01) B01D 5/00 (2006.01) C08G 64/14 (2006.01) C08L 51/00 (2006.01) C08L 69/00 (2006.01) C08K 5/00 (2006.01) C08K 5/526 (2006.01) C08L 25/12 (2006.01) C08L 27/12 (2006.01) C08L 51/04 (2006.01) C08L 77/00 (2006.01) C08L 83/04 (2006.01) C08L 101/00 (2006.01)

Patent

CA 2507928

The invention relates to compositions containing: C) 40 to 99.5 parts by weight of aromatic polycarbonate and/or of polyester carbonate, and; D) 0.5 to 60 parts by weight of graft polymer with a graft base that differs from that of polybutadiene rubber. The inventive compositions are characterized in that the polycarbonate or polyester carbonate is a branched polymer based on trifunctional or tetrafunctional phenolic monomer units serving as branchers that, as polymerizable functional groups, can also comprise amine functionalities.

L'invention concerne des compositions contenant : C) 40 à 99,5 parties en poids d'un polycarbonate et/ou carbonate de polyester aromatique et ; D) 0,5 à 60 parties en poids d'un polymère greffé comprenant une base de greffage différente de celle du caoutchouc polybutadiène. Les compositions selon l'invention sont caractérisées en ce que ledit polycarbonate et/ou carbonate de polyester se présente sous la forme d'un polymère ramifié à base de motifs monomères phénoliques trifonctionnels ou tétrafonctionnel qui servent d'agents de ramification et qui, en tant que groupes fonctionnels polymérisables, peuvent en outre comporter des fonctions amine.

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